Return the last error code
        Synopsis:
            
            #include <qdb/qdb.h>
int qdb_geterrcode( qdb_hdl_t *db );
         
        Arguments:
            
            
                
                    - db
 
                    - A pointer to the database handle. 
 
                
            
         
        Library:
            
            qdb
        
        Description:
            
             This function returns the SQL error code for the most recent call to one of: 
            
                - qdb_backup()
 
                - qdb_getdbsize()
 
                - qdb_getoption()
 
                - qdb_getresult()
 
                - qdb_setoption()
 
                - qdb_statement()
 
                - qdb_vacuum()
 
            
 
            You typically call this function after one of the above functions fails.
         
        Returns:
            
            
                
                    - >0 
 
                    - The SQL error code from the last failed QDB operation. 
 
                
                
                    - 0 
 
                    - There is no error, or the database handle is invalid. 
 
                
            
         
        Classification:
            
            QNX Neutrino
            
                    
                        
                            | Safety: | 
                              | 
                        
                    
                    
                        
                            | Interrupt handler | 
                            No | 
                        
                        
                            | Signal handler | 
                            No | 
                        
                        
                            | Thread | 
                            Yes |